21977690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5147}}^1$

素因数の和:5222

約数の個数: 32

約数和(自身を含む): 45961344

約数和(自身を除く): 23983654

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 5147, 10294, 25735, 36029, 51470, 72058, 180145, 313967, 360290, 627934, 1569835, 2197769, 3139670, 4395538, 10988845, 21977690]

約数ペア:

[(1, 21977690), (2, 10988845), (5, 4395538), (7, 3139670), (10, 2197769), (14, 1569835), (35, 627934), (61, 360290), (70, 313967), (122, 180145), (305, 72058), (427, 51470), (610, 36029), (854, 25735), (2135, 10294), (4270, 5147)]